}

  public void testForUriStringBad() {
    assertThrows(IllegalArgumentException.class, () -> InetAddresses.forUriString(""));

    assertThrows(
        IllegalArgumentException.class, () -> InetAddresses.forUriString("192.168.999.888"));

    assertThrows(
        IllegalArgumentException.class, () -> InetAddresses.forUriString("www.google.com"));

    assertThrows(IllegalArgumentException.class, () -> builder.maximumWeight(-1));
  }

  @GwtIncompatible // maximumWeight
  public void testMaximumWeight_setTwice() {
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder().maximumWeight(16);
    assertThrows(IllegalStateException.class, () -> builder.maximumWeight(16));

import static com.google.common.graph.GraphConstants.ENDPOINTS_MISMATCH;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.TruthJUnit.assume;
import static org.junit.Assert.assertThrows;
import static org.junit.Assert.assertTrue;

import java.util.Set;
import org.junit.Test;

/**
 * Abstract base class for testing directed {@link Graph} implementations defined in this package.
 */

    assertThrows(IllegalArgumentException.class, () -> HashCode.fromString(""));
    assertThrows(IllegalArgumentException.class, () -> HashCode.fromString("7"));
    HashCode unused = HashCode.fromString("7f");
  }

  public void testFromStringFailsWithOddLengthInput() {
    assertThrows(IllegalArgumentException.class, () -> HashCode.fromString("7f8"));
  }

  public void testIntWriteBytesTo() {

  }

  public void testNewParameterizedType_invalidTypeParameters() {
    assertThrows(
        IllegalArgumentException.class,
        () -> Types.newParameterizedTypeWithOwner(Map.class, Entry.class, String.class));
  }

  public void testNewParameterizedType_primitiveTypeParameters() {
    assertThrows(
        IllegalArgumentException.class,

    Files.write(ASCII, temp1, Charsets.UTF_8);
    assertThrows(IllegalArgumentException.class, () -> Files.copy(temp1, temp2));
    assertEquals(ASCII, Files.toString(temp1, Charsets.UTF_8));
  }

  public void testCopySameFile() throws IOException {
    File temp = createTempFile();
    Files.write(ASCII, temp, Charsets.UTF_8);
    assertThrows(IllegalArgumentException.class, () -> Files.copy(temp, temp));

    MutableNetwork<Integer, String> undirectedGraph = NetworkBuilder.undirected().build();

    assertThrows(
        IllegalArgumentException.class,
        () -> inducedSubgraph(undirectedGraph, ImmutableSet.of(N1)));
  }

  @Test
  public void copyOf_nullArgument() {
    assertThrows(NullPointerException.class, () -> copyOf((Graph<?>) null));
  }

  @Test
  public void copyOf_directedGraph() {

      }
    }
  }

  public void testPreconditions() {
    assertThrows(
        IllegalArgumentException.class,
        () -> BloomFilter.create(Funnels.unencodedCharsFunnel(), -1));
    assertThrows(
        IllegalArgumentException.class,
        () -> BloomFilter.create(Funnels.unencodedCharsFunnel(), -1, 0.03));
    assertThrows(
        IllegalArgumentException.class,

        assertThrows(IllegalStateException.class, n1AdjacentNodes::size));
    assertNodeRemovedFromGraphErrorMessage(
        assertThrows(IllegalStateException.class, n1Predecessors::size));
    assertNodeRemovedFromGraphErrorMessage(
        assertThrows(IllegalStateException.class, n1Successors::size));
    assertNodeRemovedFromGraphErrorMessage(

        assertThrows(IllegalStateException.class, n1AdjacentNodes::size));
    assertNodeRemovedFromGraphErrorMessage(
        assertThrows(IllegalStateException.class, n1Predecessors::size));
    assertNodeRemovedFromGraphErrorMessage(
        assertThrows(IllegalStateException.class, n1Successors::size));
    assertNodeRemovedFromGraphErrorMessage(